Granted Patent
Utility
US 5,837,987 · App. 08/751,382
Hand-held optically readable character set reader having automatic focus control for operating over a range of distances
Inventors:
Steven E. Koenck, Jonathan White, Phillip Miller, George E. Hanson, Arvin D. Danielson, Dennis A. Durbin
Patented Case
View Patent ↗
Granted: Nov 17, 1998
Filed: Nov 19, 1996
Inventors
Steven E. Koenck
Jonathan White
Phillip Miller
George E. Hanson
Arvin D. Danielson
Dennis A. Durbin
Assignee (at issue)
Norand Technology Corporation
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.